Shares of the following companies had unusual moves in U.S. trading. Stock symbols are in parentheses, and prices are as of 4 p.m. in New York.
AK Steel Holding Corp. (AKS US) gained 5.2 percent to $16.38, the highest price since Jan. 6. The third-largest U.S. steelmaker by 2009 sales was raised to “overweight” from “neutral” at JPMorgan Chase & Co.
Alcoa Inc. (AA US) rose 2.2 to $16.60, the second-biggest gain in the Dow Jones Industrial Average. The biggest U.S. aluminum producer expects demand for the metal to double by 2020, driven by consumption in Asia, Brazil and the Middle East, Chief Executive Officer Klaus Kleinfeld said in an interview in Davos, Switzerland.
Allegheny Technologies Inc. (ATI US) jumped 12 percent to $65.29, the highest price since June 2008. The specialty-metals producer said it expects sales this year to grow 15 percent to 20 percent.
Altera Corp. (ALTR US) slipped 3 percent, the most since Sept. 22, to $36.77. The maker of programmable semiconductors forecast first-quarter sales would fall as much as 5 percent from the prior period.
Boeing Co. (BA US) dropped 3.1 percent to $70.02 for the biggest retreat in the Dow Jones Industrial Average. The world’s largest aerospace company said full-year profit will be $3.80 to $4 a share. That trails the $4.53 average estimate of 26 analysts surveyed by Bloomberg.
Cabot Corp. (CBT US) rose 5.8 percent to $43.95, the highest price since July 2007. The maker of carbon black used in rubber tires posted profit excluding some items of 78 cents a share in the fiscal first quarter, 17 percent higher than the average analyst estimate, according to Bloomberg data.
CA Inc. (CA US) slipped 7.6 percent, the most since October 2009, to $23.44. The second-largest maker of software for mainframe computers reported bookings of $1.28 billion in the fiscal third quarter, missing the $1.57 billion estimated by Barclays Plc.
Ciena Corp. (CIEN US) slid 3.6 percent, the most since Oct. 19, to $23.31. The maker of network gear for the biggest U.S. phone companies was cut to “neutral” from “buy” at Bank of America Corp.
DeVry Inc. (DV US) gained 13 percent to $53.36, the second-biggest gain in the Russell 1000 Index. The for-profit education company said its second-quarter earnings were $1.25 a share, beating the average analyst estimate of $1.19, according to a Bloomberg survey. Education Management Corp. (EDMC US) rose 9.4 percent to $17.74.
DuPont Co. (DD US) gained 2.6 percent to $50.32, the biggest increase in the Dow Jones Industrial Average. The third-biggest U.S. chemical maker, posted fourth-quarter earnings that beat analysts’ estimates as paint-pigment and solar-materials jumped and taxes plunged. DuPont raised its 2011 profit forecast.
Eastman Kodak Co. (EK US) slumped 18 percent to $3.71, the lowest price since AUG. 31. The 130-year-old camera company said that, excluding some items, it had a loss of 37 cents a share in the fourth quarter. Analysts, on average, expected the company to earn 5 cents.
Halliburton Co. (HAL US) climbed 8 percent, the most since June 2, to $43.40. The world’s second-largest oilfield-services provider rose after William Reilly, co-chairman of the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling, said Royal Dutch Shell Plc’s (RDSA NA) proposal to develop Arctic oil resources this year is “reasonable.”
Jacobs Engineering Group Inc. (JEC US) increased 7.1 percent to $53.01, the highest price since January 2009. The third-largest listed U.S. engineering company was raised to “buy” at Gabelli & Co. and Sterne, Agee & Leach.
Juniper Networks Inc. (JNPR US) climbed 6.4 percent, the most since September 2009, to $37.05. The second-largest U.S. maker of networking equipment gave a first-quarter sales and profit forecast that missed some analysts’ estimates.
Keynote Systems Inc. (KEYN US) surged 28 percent to $19.20 for the biggest gain in the Russell 2000 Index. The company that monitors corporate Web-site effectiveness reported first-quarter earnings of 32 cents a share. Analysts surveyed by Bloomberg had estimated earnings of 17 cents a share on average.
Legg Mason Inc. (LM US) dropped 5.2 percent, the most since June 29, to $33.75. The Baltimore-based money manager reported that client withdrawals accelerated in its fiscal third quarter.
MicroStrategy Inc. (MSTR US) rallied 13 percent, the most since October 2009, to $105.02. The maker of analytical software reported fourth-quarter net income of $1.60 a share, beating the average analyst estimate by 73 percent, according to Bloomberg data.
Mips Technologies Inc. (MIPS US) dropped the second-most in the Russell 2000 Index, tumbling 13 percent to $13.23. The designer of high-performance processors reported second-quarter sales of $21.9 million. The company in October forecast revenue of $21 million to $23 million.
Molex Inc. (MOLX US) rose 5.2 percent, the most since Sept. 24, to $26.65. The maker of electrical components for cars reported quarterly earnings that beat the average analyst estimate by 9 percent and forecast third-quarter earnings that may exceed projections by 3 cents, Bloomberg data show.
National Instruments Corp. (NATI US) climbed 13 percent to $44.75, the highest price since it went public in 1995. The maker of industrial testing equipment reported earnings of 48 cents a share in the fourth quarter, topping the average analyst estimate by 3 cents.
Nielsen Holdings NV (NLSN US) rose 8.7 percent to $25 on the first day of trading. The television-audience ratings company raised $1.6 billion in the biggest private equity-led U.S. initial public offering since 2006 after selling 71.4 million shares at $23 each.
RF Micro Devices Inc. (RFMD US) fell 9.8 percent, the most since October 2009, to $6.91. The U.S. maker of chips and radio systems for mobile phones reported third-quarter sales of $278.8 million, missing the average analyst estimate of $285.9 million. The company also forecast this quarter’s revenue will decline as much as 15 percent, also falling short of projections.
Rockwell Automation Inc. (ROK US) climbed 8.9 percent to $81.31 for the third-biggest advance in the Standard & Poor’s 500 Index. The maker of factory software was boosted its full-year forecast after first-quarter earnings beat some analysts’ estimates.
Sara Lee Corp. (SLE US) declined 5.7 percent, the most since August 2009, to $18.52. The Wall Street Journal reported JBS SA, the potential buyer of the maker of Ball Park hot dogs and Senseo coffee, may not be able to raise enough money for a successful bid.
Silicon Laboratories Inc. (SLAB US) fell 7.2 percent to $44.20, for the biggest decline since September. The designer of integrated circuits for mobile phones forecast first-quarter earnings excluding some items of 33 cents to 39 cents a share. Analysts, on average, estimated 39 cents, according to a Bloomberg survey.
United Continental Holdings Inc. (UAL US) rose 7.1 percent to $25.79 for the biggest gain since October. The carrier formed by the merger of United and Continental airlines posted a fourth-quarter profit that beat analysts’ estimates after travel increased and fares rose. Profit excluding one-time items was 44 cents a share, exceeding the 24-cent average estimate of 14 analysts surveyed by Bloomberg.
US Airways Group Inc. (LCC US) climbed 6.6 percent, the most since Oct. 25, to $10.80. The carrier said airline revenue growth will outperform the gross domestic product this year and fare increases are helping cover higher fuel prices.
WMS Industries Inc. (WMS US) fell 7.5 percent, the most since Oct. 27, to $41.75. The maker of Monopoly and Wizard of Oz slot machines forecast third-quarter revenue that missed the average analyst estimate after reporting second-quarter earnings that trailed analysts’ projections, according to Bloomberg data.
Xerox Corp. (XRX US) declined 7.6 percent, the biggest drop in the Russell 1000 Index, to $10.53. The provider of printers and business services forecast profit for this quarter that may miss analysts’ estimates.
Yahoo! Inc. (YHOO US) fell 2.8 percent $15.57, the lowest price since Oct. 19. The most-visited U.S. Web portal forecast first-quarter revenue of between $1.02 billion and $1.08 billion. The average estimate of analysts in a Bloomberg survey is for $1.14 billion.